JERUSALEM Prime Minister Benjamin Netanyahu on Monday vowed Gaza would never again pose a threat to Israel , as a tense calm prevailed on the second day of a truce in the Palestinian territory. Three Israeli hostages, all women, were reunited with their families after Hamas fighters handed them over on Sunday, followed by the overnight release of 90 Palestinian prisoners from an Israeli jail in the occupied West Bank. In the war -battered Gaza Strip, displaced Palestinians set off on foot or by